A) \[u/2\]
B) \[2u\]
C) \[4u\]
D) \[14u\]
Correct Answer: B
Solution :
[b] \[\frac{{{u}_{1}}}{{{u}_{2}}}=\sqrt{\frac{{{n}_{1}}{{T}_{1}}}{{{n}_{2}}{{T}_{2}}}}=\sqrt{\frac{n\times T}{2n\times 2T}}=\sqrt{\frac{1}{4}}=\frac{1}{2}\] \[{{u}_{2}}=2{{u}_{1}}=2u\]
You need to login to perform this action.
You will be redirected in
3 sec
